diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/smp.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/smp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 574cd205b30..eeb2ae5ffc5 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -328,6 +328,7 @@ static void __init smp_psurge_kick_cpu(int nr) { unsigned long start = __pa(__secondary_start_pmac_0) + nr * 8; unsigned long a; + int i; /* may need to flush here if secondary bats aren't setup */ for (a = KERNELBASE; a < KERNELBASE + 0x800000; a += 32) @@ -340,7 +341,11 @@ static void __init smp_psurge_kick_cpu(int nr) mb(); psurge_set_ipi(nr); - udelay(10); + /* + * We can't use udelay here because the timebase is now frozen. + */ + for (i = 0; i < 2000; ++i) + barrier(); psurge_clr_ipi(nr); if (ppc_md.progress) ppc_md.progress("smp_psurge_kick_cpu - done", 0x354); |